HBK HBM Bruel & Kjaer U10M, Mounting Instructions

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U10M, U10S
MECHANICAL INSTALLATION
Customer's construction
Customer's shaft holder
Recommended play,
see Tab. 7.8, page 26
Threaded connector for mounting
on force transducers
Shaft
Fig. 7.4 Example diagram of installation with knuckle eye
3. Shaft surface quality and hardness
The recommended surface roughness is ≤ 10 μm.
The shaft must have a minimum hardness of 50 HRC.
7.6 Assembly without adapter
If you use the force transducer version without an adapter, it is screwed onto an existing
structural element with the outer pitch,
see Fig. 7.5 . The other side of the force applica­
tion is implemented via the central thread of the U10M/U10S. Please read Section 7.3 , or
when using a knuckle eye Section 7.5 , and mount accordingly.
With this method of installation, transducers can measure forces in both tensile and pres­
sure directions. Alternating loads are also correctly recorded if the transducer is mounted
without axial play. The transducer can be used without restrictions with the full oscillation
bandwidth.
Installation is facilitated by centering aids at the top and bottom of the transducer. The
admissible centering depth on the bottom is equivalent to dimension Z (
see Page 50 ). In